import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

// /**
//  * 解决 NavigationDuplicated 报错，vue-router 开发者给出的解决方法
//  */
const originalPush = Router.prototype.push
Router.prototype.push = function push(location) {
  return originalPush.call(this, location).catch(err => {})
}

/* Layout */
import Layout from '@/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },

  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [
      {
        path: 'dashboard',
        name: 'Dashboard',
        component: () => import('@/views/dashboard/index'),
        meta: { title: 'Dashboard', icon: 'el-icon-s-platform' }
      }
    ]
  },

  // {
  //   path: '/system',
  //   component: Layout,
  //   redirect: '/system/user',
  //   name: 'System',
  //   meta: { title: '系统管理', icon: 'el-icon-setting' },
  //   children: [
  //     {
  //       path: 'user',
  //       name: 'SystemUser',
  //       component: () => import('@/views/system/sysUserList.vue'),
  //       meta: { title: '用户管理', icon: 'el-icon-s-platform' }
  //     },
  //     {
  //       path: 'role',
  //       name: 'SystemRole',
  //       component: () => import('@/views/system/sysRoleList.vue'),
  //       meta: { title: '角色管理', icon: 'el-icon-s-platform' }
  //     },
  //     {
  //       path: 'menu',
  //       name: 'SystemMenu',
  //       component: () => import('@/views/system/sysMenuList.vue'),
  //       meta: { title: '菜单管理', icon: 'el-icon-s-platform' }
  //     }
  //   ]
  // },

  // {
  //   path: "/example",
  //   component: Layout,
  //   redirect: "/example/table",
  //   name: "Example",
  //   meta: { title: "Example", icon: "el-icon-setting" },
  //   children: [
  //     {
  //       path: "table",
  //       name: "Table",
  //       component: () => import("@/views/table/index"),
  //       meta: { title: "Table", icon: "el-icon-document" }
  //     },
  //     {
  //       path: "tree",
  //       name: "Tree",
  //       component: () => import("@/views/tree/index"),
  //       meta: { title: "Tree", icon: "el-icon-document" }
  //     }
  //   ]
  // },

  // {
  //   path: "/form",
  //   component: Layout,
  //   children: [
  //     {
  //       path: "index",
  //       name: "Form",
  //       component: () => import("@/views/form/index"),
  //       meta: { title: "Form", icon: "el-icon-s-grid" }
  //     }
  //   ]
  // },

  // {
  //   path: "/nested",
  //   component: Layout,
  //   redirect: "/nested/menu1",
  //   name: "Nested",
  //   meta: {
  //     title: "Nested",
  //     icon: "el-icon-menu"
  //   },
  //   children: [
  //     {
  //       path: "menu1",
  //       component: () => import("@/views/nested/menu1/index"), // Parent router-view
  //       name: "Menu1",
  //       meta: { title: "Menu1", icon: "el-icon-document" },
  //       children: [
  //         {
  //           path: "menu1-1",
  //           component: () => import("@/views/nested/menu1/menu1-1"),
  //           name: "Menu1-1",
  //           meta: { title: "Menu1-1", icon: "el-icon-document" }
  //         },
  //         {
  //           path: "menu1-2",
  //           component: () => import("@/views/nested/menu1/menu1-2"),
  //           name: "Menu1-2",
  //           meta: { title: "Menu1-2", icon: "el-icon-document" },
  //           children: [
  //             {
  //               path: "menu1-2-1",
  //               component: () => import("@/views/nested/menu1/menu1-2/menu1-2-1"),
  //               name: "Menu1-2-1",
  //               meta: { title: "Menu1-2-1", icon: "el-icon-document" }
  //             },
  //             {
  //               path: "menu1-2-2",
  //               component: () => import("@/views/nested/menu1/menu1-2/menu1-2-2"),
  //               name: "Menu1-2-2",
  //               meta: { title: "Menu1-2-2", icon: "el-icon-document" }
  //             }
  //           ]
  //         },
  //         {
  //           path: "menu1-3",
  //           component: () => import("@/views/nested/menu1/menu1-3"),
  //           name: "Menu1-3",
  //           meta: { title: "Menu1-3", icon: "el-icon-document" }
  //         }
  //       ]
  //     },
  //     {
  //       path: "menu2",
  //       component: () => import("@/views/nested/menu2/index"),
  //       name: "Menu2",
  //       meta: { title: "menu2", icon: "el-icon-document" }
  //     }
  //   ]
  // },

  // {
  //   path: "external-link",
  //   component: Layout,
  //   children: [
  //     {
  //       path: "https://panjiachen.github.io/vue-element-admin-site/#/",
  //       meta: { title: "External Link", icon: "el-icon-link" }
  //     }
  //   ]
  // },

  // 404 page must be placed at the end !!!
  // { path: '*', redirect: '/404', hidden: true }
]

const createRouter = () =>
  new Router({
    // mode: 'history', // require service support
    scrollBehavior: () => ({ y: 0 }),
    routes: constantRoutes
  })

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
